Al-Azzawi, S.F. and Hasan, A.M. 2026. A New 4-D Conservative System with Hyperchaos and Two Saddle-Focus Hyperbolic Equilibria Points. Journal of Applied Nonlinear Dynamics. 13, 2 (Aug. 2026), 235–246. DOI:https://doi.org/10.5890/JAND.2024.06.005.